Siemens CU240B-2 - Page 175

Advanced commissioning
6.2 Inverter control
Converter with the CU240B-2 and CU240E-2 Control Units
Operating Instructions, 01/2016, FW V4.7 SP6, A5E34259001B AC
175
Analog inputs as digital inputs
To use an analog input as additional digital input,
you must interconnect the corresponding status
parameter r0722.11 or r0722.12 with a binector
input of your choice.
You may ope
rate the analog input as digital input
with 10
V or with 24 V.
1
Not available with CU240B-2 and CU240B-2 DP Control Units
NOTICE
Destruction of the analog input as a result of the excessively high input current
The 10 V or 24 V voltage source will destroy the analog input if the operating mode selector
switch is set to "Current input" (I).
• Set the operating mode selector switch of the analog input to voltage (U).